Description
RIW Sheetseal GR is a radon gas barrier and one of the most effective gas methane barrier systems available. It is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen/rubber self adhesive layer .Effective barrier to Methane gas, Water and water vapour barrier , Factory controlled thickness , Quick and easy to install, Elastic & flexible , Self healing properties , No drying time , Sulphate resistant .